Timers
Star-Delta Control Relay
Type EAB
• Time range 1 s to 100 s
• Automatic start
• Knob-adjustable time setting
• Adjustable delay between star and delta output
(50 - 130 ms)
• Oscillator-controlled time circuit
• Repeatability deviation: ≤ 0.2%
• Output: 5A SPDT relay with neutral centre position
• For mounting on DIN-rail in accordance with
DIN/EN 50 022
• 22.5 mm Euronorm housing
• LED-indication for power supply and star or delta ON
Ordering Key
EAB C T23
Product Description
Star-delta control relay with ting on DIN-rail. Used in appli- Housing
two adjustable time ranges. 1. cations where motors are Function
Star function (1 s to 100 s) and started in a star-delta confi- Type
2. between star and delta func- guration such as large blow- Output
tion (50 - 130 ms). For moun- ers etc.
Power supply
Type Selection
Mounting
Output
Time range
Supply: 24 VAC/DC & 115-230 VAC
EAB C T23
Supply: 115-230 VAC, 300-415 VAC
EAB C T40
For DIN-rail SPDT
(with neutral
centre pos.)
1 - 100 s
Time Specifications
Output Specifications
Time range
1 - 100 s
Output
SPDT relay
Delay adjustable
50 - 130 ms
between star and delta pos.
Rated insulation voltage
Contact ratings (AgCdO)
Resistive loads
250 VAC (contact/elect.)
Neutral centre position
µ (micro gap)
AC 1 5 A, 250 VAC
DC 1 5 A, 24 VDC
Time range accuracy
±10% on max.
min. setting: actual time
≤ min. set time
Small inductive loads AC 15 2 A, 250 VAC
DC 13 3 A, 24 VDC
Repeatability deviation
Time variation
Within rated power supply
and ambient temperature
≤ 0.2%
Mechanical life
Electrical life
≥ 40 x 106 operations
≥ 105 operations
≤ 0.05%/V
≤ 0.2%/°C
(at max. load)
Reset
Time and relay
Operating frequency
Dielectric strength
Dielectric voltage
≤ 7200 operations/h
Power supply interruption
≥ 100 ms
2 kVAC (rms)
Rated impulse withstand volt. 4 kV (1.2/50 µs)
Specifications are subject to change without notice (26.10.99)
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